* {
    margin: 0;
    padding: 0;
    list-style: none;
    vertical-align: middle;
}

html {
    height: 100%;
    display: block;
}

body {
    background: #fff;
    font-family: "微软雅黑", helvetica, arial;
    font-size: 18px;
    height: 100%;
}
.container{
    width: 100%;
}

.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: ".";
    clear: both;
    height: 0;
}

.event_header {
    width: 100%;
    text-align: center;
    height: 50px;
    background: #2d2d2e;
    color: #fff;
    font-size: 20px;
    position: relative;
}

.event_title {
    line-height: 50px;
}

.event_header a {
    width: 35px;
    display: block;
    height: 50px;
    background: #2d2d2e;
    color: #fff;
    font-size: 22px;
    line-height: 50px;
    position: absolute;
    top: -1px;
    left: 0px;
    text-decoration: none;
    text-align: center;
}
.box{
    width: 100%;
    height: 400px;
    margin: 0 auto;
}
.map{
    width: 100%;
    height: 100%;
}